Tjitske Koster

Critic
DISC Type : C

PHD Student at TU Delft | Electrical Engineering, Mathematics and Computer Science

Rotterdam, South Holland, Netherlands

Overview

Tjitske Koster is a PhD candidate in the Cybersecurity group at TU Delft, focusing on private set intersection. Holding both a Masters and Bachelors degree in Mathematics with a specialization in cryptography from Radboud University, her research explores the readiness for post-quantum cryptography.

Fueled by a love for puzzles and understanding the story behind characters, Tjitske enjoys solving encrypted cards. This passion for unraveling complex problems directly translates to her academic pursuits. She has also recently taken up chess and holds certifications in the French language.

She was recently a guest speaker on the "All the Cyber Ladies" podcast, discussing her research.

Personality Overview

Critic

ROI Driven

Objective Thinker

It is very likely that they will negotiate pricing or other important terms.  They enjoy working alone and do not rely on others very often. They prefer to do logical analysis and value evidence over emotions.

Topics They Care About

Post-Quantum Cryptography
Her PhD research at TU Delft and recent podcast appearances focus on the security implications of quantum computers and the urgent need for new encryption methods.
Private Set Intersection
This is the specific area of her PhD work under the supervision of Lilika Markatou, as stated in her employment description at TU Delft.
Puzzles & Ciphers
She states a personal love for puzzles and cryptography, enjoying the challenge of deciphering encrypted birthday cards and exploring the stories behind the characters.

Media Appearances

Tjitske has no verified media appearances

Work History

10-2024
PHD Student at TU Delft | Electrical Engineering, Mathematics and Computer Science
4-2016
Selling and teamleader at Frans de Witte Active Camping B.V.
9-2018 - 10-2024
Student wiskunde, cryptografie at Radboud University
9-2019 - 9-2020
commissioner of internal relations at W.S.V. Desda

Education

9-2021 - 8-2024
Master of Science - MSc from Radboud University
9-2018 - 1-2022
Bachelor of Science - BSc from Radboud University

More Information

Social Presence :

Prographics :

Exp : 5 Location : Rotterdam, South Holland, Netherlands Job Level : N/A Designation : PHD Student at TU Delft | Electrical Engineering, Mathematics and Computer Science
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Insights For Selling To Tjitske

During A Call Or A Meeting

DO's

  • If you can, show them industry reports or analyst comments instead of sharing anecdotal stories
  • Tell them what ROI they can expect
  • Leverage facts and figures wherever possible; use percentages, numbers etc.

DONT's

  • Avoid phrases like ‘trust me’, ‘others just love’ etc.
  • Avoid pushing them too much to involve other stakeholders unless it is critical
  • Make extra effort to not seem pushy or confrontational

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Tjitske is

  • Strong evidence of ROI, effective pricing, and proven data points matter the most to them.
  • Will you ever get a clear answer from Tjitske

  • It is not very hard for them to say no if they are not convinced about the decision.

Insights For Deal Planning

    How fast (or slow) will Tjitske move?

  • Their decision-making is neither very fast nor very slow, they are somewhere in between.
  • Can Tjitske take some risk or not?

  • They can take risks if their analysis shows that it would be worth it.

You And Tjitske

Personality Compatibility


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